Nickel Alloy Hastelloy B-2 Round Bars – High Strength & Durability

Hastelloy B-2 is a nickel-molybdenum alloy known for its superior resistance to reducing environments such as hydrochloric acid. When manufactured into round bars, this material offers exceptional mechanical strength, excellent corrosion resistance, and high durability, making it ideal for demanding industrial applications.

Material Composition and Properties

Hastelloy B-2 round bars are primarily composed of nickel and molybdenum, offering the following advantages:

• Outstanding Corrosion Resistance: Exceptional performance in hydrochloric acid and other highly reducing environments.

• High Strength and Toughness: Retains mechanical integrity under high stress and extreme conditions.

• Excellent Fabricability: Allows for easy machining, welding, and forming without significant carbide precipitation.

• Superior Thermal Stability: Performs well in elevated temperatures, maintaining resistance to corrosion and degradation.

Applications of Hastelloy B-2 Round Bars

Due to their excellent strength and corrosion resistance, Hastelloy B-2 round bars are widely used in industries such as:

1. Chemical Processing Industry: Essential for manufacturing equipment like reactors, heat exchangers, and pressure vessels exposed to corrosive chemicals.

2. Pharmaceutical and Biotechnology Industry: Ideal for sterile environments where high corrosion resistance is necessary.

3. Power Generation and Energy Sector: Used in geothermal, nuclear, and petrochemical industries for components requiring high durability.

4. Aerospace and Marine Engineering: Suitable for critical structural parts exposed to aggressive marine and aerospace conditions.

5. Pulp and Paper Industry: Utilized in equipment exposed to acidic and caustic processing chemicals.

Grades and Standards

Hastelloy B-2 round bars conform to international standards to ensure high quality and performance:

• UNS Number: N10665

• ASTM Standards: ASTM B335 (Round Bars & Rods)

• EN/DIN Equivalent: 2.4617

Manufacturing Process

The production of Hastelloy B-2 round bars follows stringent quality control measures to ensure precision and durability:

1. Melting and Alloying: The alloy is produced using vacuum induction melting (VIM) or electric arc furnace (EAF) processes.

2. Hot and Cold Rolling: Enhances mechanical properties and ensures dimensional accuracy.

3. Heat Treatment (Annealing): Improves corrosion resistance and overall stability.

4. Surface Finishing: Includes pickling, passivation, and polishing for optimized performance.

5. Quality Testing: Mechanical testing, chemical analysis, and dimensional inspections ensure compliance with industry standards.